806739870 has 16 divisors (see below), whose sum is σ = 1936175760. Its totient is φ = 215130624.

The previous prime is 806739859. The next prime is 806739889. The reversal of 806739870 is 78937608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13445635 + ... + 13445694.

It is an arithmetic number, because the mean of its divisors is an integer number (121010985).

Almost surely, 2^806739870 is an apocalyptic number.

806739870 is an abundant number, since it is smaller than the sum of its proper divisors (1129435890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806739870 is a wasteful number, since it uses less digits than its factorization.

806739870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26891339.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 806739870 is about 28403.1665488199. The cubic root of 806739870 is about 930.9174551270.

The spelling of 806739870 in words is "eight hundred six million, seven hundred thirty-nine thousand, eight hundred seventy".